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Plant responses and tolerance to high temperature stress: role of exogenous phytoprotectants


Citation

Nahar, Kamrun and Hasanuzzaman, Mirza and Ahamed, Kamal Uddin and Hakeem, Khalid Rehman and Ozturk, Munir and Fujita, Masayuki (2015) Plant responses and tolerance to high temperature stress: role of exogenous phytoprotectants. In: Crop Production and Global Environmental Issues. Springer International Publishing, Switzerland, pp. 385-435. ISBN 9783319231617; EISBN: 9783319231624

Abstract / Synopsis

Among the abiotic stresses high temperature stress is one of the most detrimental stresses threatening higher plant productivity and survival throughout the world. Each degree Celsius increase of average growing season temperature may decrease crop yield and affect plant distribution. On the other hand, global average temperatures are supposed to increase from 1.8 to 4.0 °C or higher by 2100 as compared to the 1980–2000 average. Plants are intimidated by adverse effects of high temperature stresses. Protein denaturation, inactivation of enzymes, production of reactive oxygen species, and disruption of membrane structure are some of the primary damage effects of high temperature that are also responsible for damage of ultrastructural cellular components. These anomalies hamper plant growth and development. Although higher plants develop their own defense strategies to overcome the high temperature stress effects, these often are not enough, therefore substantial damage is observed. The metabolism in plants is altered in response to high temperature stress. The antioxidants, secondary metabolites, hormones, osmoprotectants, and many other essential biomolecules are modulated, which help to defend against high temperature impacts. Moreover, numerous studies have proved that as protectants the exogenously applied hormones, osmoregulators, antioxidants, signaling molecules, polyamines, and trace elements confer high temperature stress tolerance in the organisms. This chapter presents the responses of plants to high temperature stress and evaluates the role of exogenous protectants under high temperature stress.


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Additional Metadata

Item Type: Book Section
Divisions: Faculty of Forestry
DOI Number: https://doi.org/10.1007/978-3-319-23162-4_17
Publisher: Springer International Publishing
Keywords: Phytoprotectants; Thermotolerance; Abiotic stress; Climate change
Depositing User: Nabilah Mustapa
Date Deposited: 07 Sep 2017 11:47
Last Modified: 07 Sep 2017 11:47
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1007/978-3-319-23162-4_17
URI: http://psasir.upm.edu.my/id/eprint/57060
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